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Retrospective detection of monkeypox virus in the testes of nonhuman primate survivors
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Retrospective detection of monkeypox virus in the testes of nonhuman primate survivors
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Retrospective detection of monkeypox virus in the testes of nonhuman primate survivors
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Journal Article
Retrospective detection of monkeypox virus in the testes of nonhuman primate survivors
2022
Overview
Close contact through sexual activity has been associated with the spread of monkeypox virus (MPXV) in the ongoing, global 2022 epidemic. However, it remains unclear whether MPXV replicates in the testes or is transmitted via semen to produce an active infection. We carried out a retrospective analysis of MPXV-infected crab-eating macaque archival tissue samples from acute and convalescent phases of infection of clade I or clade II MPXV using immunostaining and RNA in situ hybridization. We detected MPXV in interstitial cells and seminiferous tubules of testes as well as epididymal lumina, which are the sites of sperm production and maturation. We also detected inflammation and necrosis during the acute phase of the disease by histological analysis. Finally, we found that MPXV was cleared from most organs during convalescence, including healed skin lesions, but could be detected for up to 37 d post-exposure in the testes of convalescent macaques. Our findings highlight the potential for sexual transmission of MPXV in humans.
Detection of monkeypox viruses (MPXV) in archival testes samples from acute and convalescent MPXV-infected macaques provides evidence supporting the potential for sexual transmision of MPXV.
